Villegas, Bernardo M. <br/><br/>
Productivity :  path to Philippines progress / 
Bernardo M. Villegas. 
 - Manila :  Sinag tala Publlishers Incorporated,  c1992. 
 - 398 pages :  illustration ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Productivity.